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Significant Accounting Policies (Details) - Reconciliation of the numerators and denominators of the basic and diluted earnings per share computations - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018
Numerator:
Net loss (in Dollars)	$ (678,746)	$ (322,491)	$ (1,607,730)	$ (798,211)
Denominator for basic loss per common share	9,322,549	8,556,480	9,103,225	8,529,009
Effect of dilutive securities:
Options and warrants
Denominator for diluted loss per common share	9,322,549	8,556,480	9,103,225	8,529,009
Basic net loss per common share (in Dollars per share)	$ (0.07)	$ (0.04)	$ (0.18)	$ (0.09)
Diluted net loss per common share (in Dollars per share)	$ (0.07)	$ (0.04)	$ (0.18)	$ (0.09)

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